/* ------------、
    *
    *  验证start
    *
    *  -------------
    *  */
$(function () {
    var show_num = [];
    draw(show_num);

    $("#canvas").on('click', function () {
        draw(show_num);
    })

    $('#loginBtn').click(function () {

        var val = $(".input-val").val().toLowerCase();
        var num = show_num.join("");

        /**
         * 账号输入框为空
         */
        if ($('#adminName').val() == '') {
            $("#icon").addClass('layui-icon layui-icon-loading layui-anim layui-anim-rotate layui-anim-loop');
            $("#loginBtn").attr("disabled", "true");

            $("#loginBtn").attr("disabled", false);
            $("#adminName").css({'border': '1px solid red'});
            setTimeout(function () {
                lightyear.notify('请输入账号！', 'info', 1000, '', 'bottom', 'left');
                $("#adminName").css('border', '');
                $("button").remove();

            }, 300);

            $("#icon").removeClass('layui-icon layui-icon-loading layui-anim layui-anim-rotate layui-anim-loop');

            return false;
        }


        /**
         * 密码输入框为空
         */
        if ($('#adminPass').val() == '') {
            $("#icon").addClass('layui-icon layui-icon-loading layui-anim layui-anim-rotate layui-anim-loop');
            $("#loginBtn").attr("disabled", "true");

            $("#loginBtn").attr("disabled", false);
            $("#adminPass").css({'border': '1px solid red'});
            setTimeout(function () {
                lightyear.notify('请输入密码！', 'info', 1000, '', 'bottom', 'left');
                $("#adminPass").css('border', '');
                $("button").remove();

            }, 300);


            $("#icon").removeClass('layui-icon layui-icon-loading layui-anim layui-anim-rotate layui-anim-loop');

            return false;
        }


        /**
         * 认证码输入框为空
         */
        if (val == '') {
            $("#icon").addClass('layui-icon layui-icon-loading layui-anim layui-anim-rotate layui-anim-loop');
            $("#loginBtn").attr("disabled", "true");

            $("#loginBtn").attr("disabled", false);
            $(".input-val").css({'border': '1px solid red'});
            setTimeout(function () {
                lightyear.notify('请输入验证码！', 'info', 1000, '', 'top', 'right');
                $(".input-val").css('border', '');
                $("button").remove();
            }, 300);

            $("#icon").removeClass('layui-icon layui-icon-loading layui-anim layui-anim-rotate layui-anim-loop');

            return false;
        }

        /**
         * 认证码输入不正确
         */

        if (val != num) {
            $("#icon").addClass('layui-icon layui-icon-loading layui-anim layui-anim-rotate layui-anim-loop');
            $("#loginBtn").attr("disabled", "true");
            $(".input-val").css({'border': '1px solid red'});
            setTimeout(function () {
                lightyear.notify('验证码错误！', 'danger', 1000, '', 'top', 'right');
                $(".input-val").css('border', '');
                $("button").remove();
            }, 300);

            $("#icon").removeClass('layui-icon layui-icon-loading layui-anim layui-anim-rotate layui-anim-loop');


            $(".input-val").val('');
            $("#loginBtn").attr("disabled", false);
            draw(show_num);

            return false;
        }

        $.ajax({
            url: "../../employee/login",
            data: {
                employeeName: $("#adminName").val(),
                employeePwd: $("#adminPass").val()
            },
            type: 'post', //HTTP请求类型
            dataType: 'json',
            success: function (data) {

                if (data.code == 500) {
                    setTimeout(function () {
                        lightyear.notify(data.msg, 'danger', 1000, '', 'top', 'right');
                    }, 800);
                }

                if (data.code == 200) {
                    setTimeout(function () {
                        lightyear.notify(data.msg, 'success', 1500, '', 'top', 'right');

                    }, 800);

                    lightyear.notify('正在转跳中...', 'success', 2500, '', 'top', 'right');

                    setTimeout(function () {
                        window.location.href = "../../index.html";
                    }, 2500);


                }
                if (data.code == 100) {
                    setTimeout(function () {
                        lightyear.notify(data.msg, 'danger', 1000, '', 'top', 'right');
                    }, 800);
                }

                if (data.code == 404) {
                    setTimeout(function () {
                        lightyear.notify(data.msg, 'danger', 1000, '', 'top', 'right');
                    }, 800);
                }

            },
            error: function () {
                setTimeout(function () {
                    lightyear.notify('登录异常', 'danger', 1000, '', 'top', 'right');
                }, 800);
            }

        });

    })

    $(document).on('keydown', function () {
        if (event.keyCode == 13) {
            $("#loginBtn").click();
        }
    });


})

function draw(show_num) {
    var canvas_width = $('#canvas').width();
    var canvas_height = $('#canvas').height();
    var canvas = document.getElementById("canvas");//获取到canvas的对象，演员
    var context = canvas.getContext("2d");//获取到canvas画图的环境，演员表演的舞台
    canvas.width = canvas_width;
    canvas.height = canvas_height;
    var sCode = "A,B,C,E,F,G,H,J,K,L,M,N,P,Q,R,S,T,W,X,Y,Z,1,2,3,4,5,6,7,8,9,0";
    var aCode = sCode.split(",");
    var aLength = aCode.length;//获取到数组的长度

    for (var i = 0; i <= 3; i++) {
        var j = Math.floor(Math.random() * aLength);//获取到随机的索引值
        var deg = Math.random() * 30 * Math.PI / 180;//产生0~30之间的随机弧度
        var txt = aCode[j];//得到随机的一个内容
        show_num[i] = txt.toLowerCase();
        var x = 10 + i * 20;//文字在canvas上的x坐标
        var y = 20 + Math.random() * 8;//文字在canvas上的y坐标
        context.font = "bold 23px 微软雅黑";

        context.translate(x, y);
        context.rotate(deg);

        context.fillStyle = randomColor();
        context.fillText(txt, 0, 0);

        context.rotate(-deg);
        context.translate(-x, -y);
    }
    for (var i = 0; i <= 5; i++) { //验证码上显示线条
        context.strokeStyle = randomColor();
        context.beginPath();
        context.moveTo(Math.random() * canvas_width, Math.random() * canvas_height);
        context.lineTo(Math.random() * canvas_width, Math.random() * canvas_height);
        context.stroke();
    }
    for (var i = 0; i <= 30; i++) { //验证码上显示小点
        context.strokeStyle = randomColor();
        context.beginPath();
        var x = Math.random() * canvas_width;
        var y = Math.random() * canvas_height;
        context.moveTo(x, y);
        context.lineTo(x + 1, y + 1);
        context.stroke();
    }
}

function randomColor() {//得到随机的颜色值
    var r = Math.floor(Math.random() * 256);
    var g = Math.floor(Math.random() * 256);
    var b = Math.floor(Math.random() * 256);
    return "rgb(" + r + "," + g + "," + b + ")";
}

/* ------------验证end------------- */